Unobtainium
This is about the term. Impossible materials have been used at least since H.G. Well's cavorite.
year | author | title | term | quote |
---|---|---|---|---|
2013 | David Brin | Startide Rising | unobtainium |
None of the other moons in the Kthsemenee system had the one attribute this one possessed: A core of almost one percent unobtainium. (ch. 16, p. 93) |
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